X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fchain%2Fmod.rs;h=0370c0840f9b611c99f84f41191ea72d1a5644b5;hb=6ffd02237fc06f86a4a639eea0f1f470dc8f7d59;hp=19218ed23274998b9702f74f9cc73e26ddde28a8;hpb=98417a16dff86c35aa5f51303b0f05177b828ccd;p=rust-lightning

diff --git a/lightning/src/chain/mod.rs b/lightning/src/chain/mod.rs
index 19218ed2..0370c084 100644
--- a/lightning/src/chain/mod.rs
+++ b/lightning/src/chain/mod.rs
@@ -18,7 +18,7 @@ use bitcoin::network::constants::Network;
 use bitcoin::secp256k1::PublicKey;
 
 use crate::chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, MonitorEvent};
-use crate::chain::keysinterface::Sign;
+use crate::chain::keysinterface::WriteableEcdsaChannelSigner;
 use crate::chain::transaction::{OutPoint, TransactionData};
 
 use crate::prelude::*;
@@ -176,6 +176,9 @@ pub trait Confirm {
 	/// Returns transactions that must be monitored for reorganization out of the chain along
 	/// with the hash of the block as part of which it had been previously confirmed.
 	///
+	/// Note that the returned `Option<BlockHash>` might be `None` for channels created with LDK
+	/// 0.0.112 and prior, in which case you need to manually track previous confirmations.
+	///
 	/// Will include any transactions passed to [`transactions_confirmed`] that have insufficient
 	/// confirmations to be safe from a chain reorganization. Will not include any transactions
 	/// passed to [`transaction_unconfirmed`], unless later reconfirmed.
@@ -291,7 +294,7 @@ pub enum ChannelMonitorUpdateStatus {
 /// multiple instances.
 ///
 /// [`PermanentFailure`]: ChannelMonitorUpdateStatus::PermanentFailure
-pub trait Watch<ChannelSigner: Sign> {
+pub trait Watch<ChannelSigner: WriteableEcdsaChannelSigner> {
 	/// Watches a channel identified by `funding_txo` using `monitor`.
 	///
 	/// Implementations are responsible for watching the chain for the funding transaction along